<%--
  Created by IntelliJ IDEA.
  User: 86173
  Date: 2021/10/15
  Time: 0:10
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%--背景动画效果--%>
<p id="bg">
    <canvas></canvas>
    <canvas></canvas>
    <canvas></canvas>
</p>
